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A1448 Arkusz danych (PDF) - Allegro MicroSystems

A1448 Datasheet PDF - Allegro MicroSystems
Numer części A1448
Pobierz  A1448 Pobierz

Rozmiar pliku   181.97 Kbytes
Page   7 Pages
Producent  ALLEGRO [Allegro MicroSystems]
Strona internetowa  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems
Szczegółowy opis Low-Voltage, Full-Bridge Brushless DC Motor Driver with Integrated Hall Sensor IC, PWM Speed Control, Soft-Switching

A1448 Datasheet (PDF)

Go To PDF Page Pobierz Arkusz danych
A1448 Datasheet PDF - Allegro MicroSystems

Numer części A1448
Pobierz  A1448 Click to download

Rozmiar pliku   181.97 Kbytes
Page   7 Pages
Producent  ALLEGRO [Allegro MicroSystems]
Strona internetowa  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems
Szczegółowy opis Low-Voltage, Full-Bridge Brushless DC Motor Driver with Integrated Hall Sensor IC, PWM Speed Control, Soft-Switching

A1448 Arkusz danych (HTML) - Allegro MicroSystems

A1448 Datasheet HTML 1Page - Allegro MicroSystems A1448 Datasheet HTML 2Page - Allegro MicroSystems A1448 Datasheet HTML 3Page - Allegro MicroSystems A1448 Datasheet HTML 4Page - Allegro MicroSystems A1448 Datasheet HTML 5Page - Allegro MicroSystems A1448 Datasheet HTML 6Page - Allegro MicroSystems A1448 Datasheet HTML 7Page - Allegro MicroSystems

A1448 Szczegóły Produktu

Description

The A1448 is a full-bridge motor driver designed to drive low-voltage, brushless DC motors. The device is designed to allow the user to control several functions with a single input control pin. The pin allows for direct input PWM for speed control, is used to initiate the active braking function to reduce motor stop time, and acts as an enable pin to engage micro-power sleep mode to reduce average power consumption when not in use. The A1448 is designed for use in vibration motor applications in portable devices that require fast stop-start cycles, such as haptic applications and vibration ring tones.



Features and Benefits

▪Low-voltage operation, 1.8 to 4.2 V

▪Multifunction CONTROL pin input:

▫Direct input PWM for speed control

▫Active braking for fast stop cycle

▫Sleep function to reduce average power consumption

▪Reverse voltage protection on VDD and CONTROL pins

▪Output thermal shutdown protection for robust performance

▪Soft switching algorithm to reduce audible switching noise and EMI

▪Hall chopper stabilization technique for precise signal response over operating range

▪Antistall feature guarantees continuous rotation and prevents overheating

▪Single-chip solution for high reliability

▪Miniature MLP/DFN package with industry-leading 0.40 mm maximum overall thickness




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O Allegro MicroSystems


Allegro MicroSystems is a semiconductor company that designs, manufactures, and markets high-performance power and sensing solutions. The company was founded in 1990 and is headquartered in Manchester, New Hampshire, USA.

Allegro MicroSystems' product portfolio includes Hall-effect sensors, power ICs, motor drivers, and magnetic digital position sensors. These products are used in a wide range of applications, including automotive, industrial, and consumer electronics.

Allegro MicroSystems is known for its expertise in magnetic sensing technology, which is used in many of its products. The company's products are designed to meet the highest standards of performance and reliability, and are manufactured using the latest technology and materials. Allegro MicroSystems also offers custom design and engineering services to meet the specific needs of its customers.

Allegro MicroSystems has a global presence, with sales offices and representatives located around the world. The company is dedicated to delivering innovative and reliable power and sensing solutions that meet the evolving needs of the electronics industry. In 2021, Allegro MicroSystems went public through an initial public offering (IPO) on the NASDAQ stock exchange.

*Niniejsze informacje służą wyłącznie celom informacyjnym, nie ponosimy odpowiedzialności za jakiekolwiek straty lub szkody spowodowane przez powyższe informacje.




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